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EN 1.4557 Stainless Steel vs. Grade M30H Nickel

EN 1.4557 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 40
11
Fatigue Strength, MPa 260
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
61
Tensile Strength: Ultimate (UTS), MPa 560
770
Tensile Strength: Yield (Proof), MPa 300
470

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1090
900
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1420
1200
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
50
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 5.6
7.7
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 190
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
75
Resilience: Unit (Modulus of Resilience), kJ/m3 210
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 12
27

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.3
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
27 to 33
Iron (Fe), % 49.5 to 56.3
0 to 3.5
Manganese (Mn), % 0 to 1.2
0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
57.9 to 70.3
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.010
0 to 0.030